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12310033110 = 2354118015557
BaseRepresentation
bin10110111011011110…
…00011001011010110
31011202220111110211020
423131233003023112
5200202332024420
65353302422010
7614024361234
oct133557031326
934686443736
1012310033110
115247769091
122476731906
13121246627b
1484ac83954
154c0ab2340
hex2ddbc32d6

12310033110 has 64 divisors (see below), whose sum is σ = 30286920384. Its totient is φ = 3200256000.

The previous prime is 12310033103. The next prime is 12310033171. The reversal of 12310033110 is 1133001321.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12310033110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2212452 + ... + 2218008.

It is an arithmetic number, because the mean of its divisors is an integer number (473233131).

Almost surely, 212310033110 is an apocalyptic number.

12310033110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12310033110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15143460192).

12310033110 is an abundant number, since it is smaller than the sum of its proper divisors (17976887274).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12310033110 is a wasteful number, since it uses less digits than its factorization.

12310033110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7409.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 12310033110 its reverse (1133001321), we get a palindrome (13443034431).

The spelling of 12310033110 in words is "twelve billion, three hundred ten million, thirty-three thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 15 30 41 82 123 205 246 410 615 1230 1801 3602 5403 5557 9005 10806 11114 16671 18010 27015 27785 33342 54030 55570 73841 83355 147682 166710 221523 227837 369205 443046 455674 683511 738410 1107615 1139185 1367022 2215230 2278370 3417555 6835110 10008157 20016314 30024471 50040785 60048942 100081570 150122355 300244710 410334437 820668874 1231003311 2051672185 2462006622 4103344370 6155016555 12310033110